6553983 has 8 divisors (see below), whose sum is σ = 8763568. Its totient is φ = 4356864.

The previous prime is 6553979. The next prime is 6554021. The reversal of 6553983 is 3893556.

6553983 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6553983 - 2² = 6553979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6553903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1810 + ... + 4047.

It is an arithmetic number, because the mean of its divisors is an integer number (1095446).

Almost surely, 2^6553983 is an apocalyptic number.

6553983 is a deficient number, since it is larger than the sum of its proper divisors (2209585).

6553983 is a wasteful number, since it uses less digits than its factorization.

6553983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233.

The product of its digits is 97200, while the sum is 39.

The square root of 6553983 is about 2560.0748035946. The cubic root of 6553983 is about 187.1407806785.

The spelling of 6553983 in words is "six million, five hundred fifty-three thousand, nine hundred eighty-three".